[bug] Cannot fold code

[ananashawaw]

Heya, I'm trying to customize the face yaml-pro-fold-replacement-face.

I'm using treesit and it seems it only can be shown when using the "legacy parser" yaml.el of yours.

As such, I installed it from the repo directly, ensuring I have the latest version of it; but I'm still encountering the issue I was facing prior to that which is :

yaml-pro-get-block: Wrong type argument: buffer-or-string-p, ns-plain

yaml-pro-ts-mode is turned off, yaml-pro-mode is on.

I've spent several hours checking my configs and ensuring all the packages are up to date but nothing has worked. 😭

[dcolazin]

I had the same issue and I started investigating a little. Issue is around those lines of code in yaml-pro-get-block-bounds (and probably also on yaml-pro--get-parent-block*)

((stringp (car tree))
  (let* ((bounds (yaml-pro--get-yaml-position (cadr tree)))

The issue is that the second element of tree is a symbol, while it is the first element that is a string. Changing to (let* ((bounds (yaml-pro--get-yaml-position (car tree))) solved it for me and seems to work well.

@zkry But how did this happened? I have the same issue also when using old versions of yaml-pro. Did the behavior of yaml.el changed? For context, I'm using emacs 30.2 and yaml.el 1.2.0.